249331383

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{30211}}^1$

素因数の和:30355

約数の個数: 24

約数和(自身を含む): 414750336

約数和(自身を除く): 165418953

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 8253, 30211, 90633, 211477, 271899, 634431, 1903293, 3957641, 11872923, 27703487, 35618769, 83110461, 249331383]

約数ペア:

[(1, 249331383), (3, 83110461), (7, 35618769), (9, 27703487), (21, 11872923), (63, 3957641), (131, 1903293), (393, 634431), (917, 271899), (1179, 211477), (2751, 90633), (8253, 30211)]